This set of six sealed-gear gold tuners with "tombstone"-style buttons is the perfect accent for your new instrument build, or as a replacement for an existing guitar repair job. These tuners are 3L/3R alignment (3 on the left of the headstock, 3 on the right), and include all necessary mounting hardware: screw-in bushing, plated washer, and mounting screws.If you are looking for a great, affordable tuner/machine head style for your guitar, then look no further!